为嵌入式linux发行版(openwrt)编译软件

I have a problem with Linux embedded OpenWRT. I must compile a software for arch MIPS. The software is composed of 2 file.c and 4 /include/file.h ... I have compiled a toolchain for Openwrt with the "new" gcc (for mips) I have compiled one by one the 2 file.c getting 2 file.o as output. How can I create a unique binary file to execute the software?I have a problem with Linux embedded OpenWRT. I